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Table 13. N7000 H-Series Fault Messages Troubleshooting
Displayed Message
721:RIB INVLD CMD*
Yes
See User Manual
723:SHUTL INV CMD*
No
724 SHUTL INV
No
PARM*
725:SHUTL OVER
No
SPEED*
727:SOFTWARE
No
ERROR*
728:STACK
No
OVERFLOW*
729:STACK
No
UNDERFLOW*
730:TCB
No
CORRUPTED*
731:UNDEFINED
No
INTERRUPT*
732:UNDEFINED
No
OPCODE
Can User
Explanation
Correct?
Ribbon Invalid Command.
Firmware error on the
controller board.
Shuttle Invalid Command.
Firmware error on controller
board.
Shuttle Invalid Parameter.
Firmware error on controller
board.
The shuttle is oscillating too
rapidly.
Application software tried to
perform illegal printer
function, or damaged logic
circuits found on controller
board.
Firmware error on controller
board.
Firmware error on the
controller board.
Task Control Block
Corrupted. Firmware error
on controller board.
Undefined Interrupt.
Firmware error on controller
board.
Undefined Opcode.
Firmware error on controller
board.
N7000 H-Series Printers Fault Messages
Solution
Cycle power. Run the print job
again. If the message appears,
download the emulation
software again. If the message
appears again, contact your
authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
Contact your authorized service
representative.
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